Ambra Kozijnen is a proud dealer and installer of Weru plastic frames, doors and sliding doors. Why? Because Weru stands for ‘German gründlichkeit’. All frames, doors and sliding doors are manufactured in the two factories in southern Germany. Quality plastic, produced with the most modern techniques. A modern design or timeless classic for every home and every style. Weru’s frames, doors and sliding doors are low-maintenance, have a very long lifespan and are custom-made especially for you.